CN205618839U - Water supply plastic -coated composite steel pipe - Google Patents
Water supply plastic -coated composite steel pipe Download PDFInfo
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- CN205618839U CN205618839U CN201620446493.6U CN201620446493U CN205618839U CN 205618839 U CN205618839 U CN 205618839U CN 201620446493 U CN201620446493 U CN 201620446493U CN 205618839 U CN205618839 U CN 205618839U
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- steel pipe
- flange
- pipe body
- coated composite
- joint
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 229920003023 plastic Polymers 0.000 title claims abstract description 17
- 239000004033 plastic Substances 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 13
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims abstract description 7
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 30
- 239000002985 plastic film Substances 0.000 claims description 15
- 229920006255 plastic film Polymers 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 7
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 claims description 7
- 239000011247 coating layer Substances 0.000 claims 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 19
- 230000007797 corrosion Effects 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000006223 plastic coating Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 9
- 239000004593 Epoxy Substances 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- -1 polyethylene structure Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Laminated Bodies (AREA)
Abstract
Description
技术领域 technical field
本实用新型涉及一种复合管材，具体地说是一种给水涂塑复合钢管，属于复合管材领域。 The utility model relates to a composite pipe, in particular to a plastic-coated composite steel pipe for water supply, which belongs to the field of composite pipes.
背景技术 Background technique
钢塑复合管具有较强的抗外力破坏性能,有效地提高了管道的使用寿命,延长了管道的免修期,减少了管线的泄漏。钢塑复合管是钢管道和非金属管道的良好替代品,在油气集输和污水输送等方面具有广阔的应用前景。名称为“一种涂塑复合钢管”申请号为“201420121898.3”的中国实用新型专利公开了一种涂塑复合钢管，包括钢管本体，所述钢管本体的内壁表面设置有超高分子量聚乙烯内涂层，所述钢管本体的外壁表面设置有超高分子量聚乙烯外涂层，所述钢管本体的两端设置有不锈钢接头，所述超高分子量聚乙烯内涂层的厚度为0.4-1mm，所述超高分子量聚乙烯外涂层的厚度为0.65-1mm。然而，该产品的连接密封性较差，连接结构强度较低，内外壁容易破损，抗老化效果较差，降低了使用寿命。 The steel-plastic composite pipe has strong resistance to external damage, which effectively improves the service life of the pipe, prolongs the repair-free period of the pipe, and reduces the leakage of the pipeline. Steel-plastic composite pipe is a good substitute for steel pipes and non-metallic pipes, and has broad application prospects in oil and gas gathering and sewage transportation. The Chinese utility model patent titled "A Plastic-Coated Composite Steel Pipe" with the application number "201420121898.3" discloses a plastic-coated composite steel pipe, which includes a steel pipe body whose inner wall surface is provided with an inner coating of ultra-high molecular weight polyethylene. Layer, the outer wall surface of the steel pipe body is provided with an outer coating of ultra-high molecular weight polyethylene, the two ends of the steel pipe body are provided with stainless steel joints, and the thickness of the inner coating of ultra-high molecular weight polyethylene is 0.4-1mm, so The thickness of the ultra-high molecular weight polyethylene outer coating is 0.65-1mm. However, the connection sealing performance of this product is poor, the connection structure strength is low, the inner and outer walls are easily damaged, the anti-aging effect is poor, and the service life is reduced.
实用新型内容 Utility model content
为了解决上述问题，本实用新型设计了一种给水涂塑复合钢管，连接密封性好，连接结构强度较高，耐腐蚀，抗老化，延长了使用寿命，提高了产品质量。 In order to solve the above problems, the utility model designs a plastic-coated composite steel pipe for water supply, which has good connection sealing performance, high connection structure strength, corrosion resistance and aging resistance, prolongs the service life and improves product quality.
本实用新型的技术方案为： The technical scheme of the utility model is:
一种给水涂塑复合钢管，包括钢管本体，所述钢管本体的端部设有连接法兰，所述连接法兰外侧设有防腐法兰，所述连接法兰外端面上设置有卡接凸起，所述防腐法兰的密封端面上设置有与所述卡接凸起相适配的卡接凹槽，所述连接法兰通过所述卡接凸起和所述卡接凹槽固设在所述防腐法兰的密封端面上，所述连接法兰与所述钢管本体为一体结构，所述防腐法兰为超高分子量聚乙烯结构，从而实现了密封和防腐蚀效果。 A plastic-coated composite steel pipe for water supply, comprising a steel pipe body, the end of the steel pipe body is provided with a connecting flange, the outer side of the connecting flange is provided with an anti-corrosion flange, and the outer end surface of the connecting flange is provided with a clamping protrusion From the above, the sealing end surface of the anti-corrosion flange is provided with a snap-in groove that matches the snap-in protrusion, and the connecting flange is fixed by the snap-in protrusion and the snap-in groove. On the sealing end face of the anti-corrosion flange, the connecting flange and the steel pipe body are integrally structured, and the anti-corrosion flange is of ultra-high molecular weight polyethylene structure, thereby achieving sealing and anti-corrosion effects.
进一步地，所述的连接法兰和防腐法兰均设有连接孔，且二者的连接孔相对应。 Further, both the connecting flange and the anti-corrosion flange are provided with connecting holes, and the connecting holes of the two correspond to each other.
进一步地，所述的卡接凸起为在其横截面内的投影为外大内小的燕尾台，所述的卡接凹槽为在其横截面内的投影与所述燕尾台相适配的内大外小的燕尾槽。 Further, the projection of the engaging protrusion in its cross section is a dovetail platform with a large outside and a small inside, and the projection of the engaging groove in its cross section is adapted to the dovetail platform The dovetail slots are large inside and small outside.
进一步地，所述钢管本体内壁上设有聚氯乙烯涂塑层，在所述涂塑层上设有复合塑膜层；优选的，所述复合塑膜层为固化在所述涂塑层上的PE塑料薄膜，复合塑膜层除与管体层、涂塑层联合承受水压以减少管材的受力外，还能减少管材的变形量，由于复合塑膜层的弹性比涂塑层好，在管材受水压作用时，如涂塑层出现细小孔眼和小缝，复合塑膜层能防止因此产生渗水的问题，并且复合塑膜后管内壁光滑、摩阻力小，输水时的沿程损失小。 Further, the inner wall of the steel pipe body is provided with a polyvinyl chloride plastic coating layer, and a composite plastic film layer is provided on the plastic coating layer; preferably, the composite plastic film layer is solidified on the plastic coating layer PE plastic film, the composite plastic film layer can not only bear the water pressure with the pipe body layer and the plastic coating layer to reduce the force of the pipe, but also reduce the deformation of the pipe, because the elasticity of the composite plastic film layer is better than that of the plastic coating layer When the pipe is subjected to water pressure, if the plastic coating layer has small holes and small cracks, the composite plastic film layer can prevent the problem of water seepage, and the inner wall of the pipe after the composite plastic film is smooth and the frictional resistance is small. The process loss is small.
进一步地，所述钢管本体的内表面均设有若干凸起，提高了钢管本体与聚氯乙烯涂塑层的结合牢固性，避免使用一段时间后出现分层现象，延长了使用寿命。 Furthermore, the inner surface of the steel pipe body is provided with several protrusions, which improves the bonding firmness of the steel pipe body and the polyvinyl chloride plastic coating layer, avoids delamination after a period of use, and prolongs the service life.
进一步地，所述钢管本体外壁上设有镀锌镍合金涂层，由电镀机电镀锌镍合金涂层，延长了使用寿命。 Further, the outer wall of the steel pipe body is provided with a zinc-nickel alloy coating, and the zinc-nickel alloy coating is electroplated by an electroplating machine, which prolongs the service life.
另外，所述镀锌镍合金涂层外还设有环氧层和ASA涂层；所述环氧层为环氧树脂，所述环氧层设于ASA涂层和镀锌镍合金涂层之间，能在环境恶劣处作业，且使用寿命长、使用性能好。 In addition, the zinc-nickel alloy coating is also provided with an epoxy layer and an ASA coating; the epoxy layer is epoxy resin, and the epoxy layer is arranged between the ASA coating and the zinc-nickel alloy coating It can work in harsh environments, and has a long service life and good performance.
本实用新型的优点在于：连接密封性好，连接结构强度较高，耐腐蚀，抗老化，延长了使用寿命，提高了产品质量。 The utility model has the advantages of good connection sealing performance, high connection structure strength, corrosion resistance and aging resistance, prolonging the service life and improving product quality.
下面结合附图和实施例对本实用新型作进一步说明。 Below in conjunction with accompanying drawing and embodiment the utility model is further described.
附图说明 Description of drawings
图1为本实用新型实施例的结构示意图。 Fig. 1 is a schematic structural view of an embodiment of the utility model.
具体实施方式 detailed description
以下对本实用新型的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本实用新型，并不用于限定本实用新型。 The preferred embodiments of the present utility model are described below, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the present utility model, and are not intended to limit the present utility model.
实施例1 Example 1
如图1所示，一种给水涂塑复合钢管，包括钢管本体1，所述钢管本体1的端部设有连接法兰2，所述连接法兰2外侧设有防腐法兰3，所述连接法兰2外端面上设置有卡接凸起3，所述防腐法兰3的密封端面上设置有与所述卡接凸起相适配的卡接凹槽4，所述连接法兰2通过所述卡接凸起和所述卡接凹槽固设在所述防腐法兰的密封端面上，所述连接法兰2与所述钢管本体1为一体结构，所述防腐法兰为超高分子量聚乙烯结构，从而实现了密封和防腐蚀效果。 As shown in Figure 1, a plastic-coated composite steel pipe for water supply includes a steel pipe body 1, the end of the steel pipe body 1 is provided with a connecting flange 2, and the outer side of the connecting flange 2 is provided with an anti-corrosion flange 3. A clamping protrusion 3 is provided on the outer end surface of the connecting flange 2, and a clamping groove 4 matching the clamping protrusion is provided on the sealing end surface of the anti-corrosion flange 3, and the connecting flange 2 The clamping protrusion and the clamping groove are fixed on the sealing end surface of the anti-corrosion flange, the connecting flange 2 is integrated with the steel pipe body 1, and the anti-corrosion flange is super High-molecular-weight polyethylene structure, thus achieving sealing and anti-corrosion effect.
所述的连接法兰2和防腐法兰3均设有连接孔5，且二者的连接孔相对应。 Both the connecting flange 2 and the anti-corrosion flange 3 are provided with connecting holes 5, and the connecting holes of the two are corresponding.
所述的卡接凸起为在其横截面内的投影为外大内小的燕尾台，所述的卡接凹槽为在其横截面内的投影与所述燕尾台相适配的内大外小的燕尾槽。 The projection in its cross section is a dovetail platform whose projection is large on the outside and small on the inside. Outer small dovetail.
另外，所述钢管本体1的内壁上设有聚氯乙烯涂塑层6，在所述涂塑层6上设有复合塑膜层7；优选的，所述复合塑膜层7为固化在所述涂塑层上的PE塑料薄膜，复合塑膜层除与管体层、涂塑层联合承受水压以减少管材的受力外，还能减少管材的变形量，由于复合塑膜层的弹性比涂塑层好，在管材受水压作用时，如涂塑层出现细小孔眼和小缝，复合塑膜层能防止因此产生渗水的问题，并且复合塑膜后管内壁光滑、摩阻力小，输水时的沿程损失小。 In addition, the inner wall of the steel pipe body 1 is provided with a polyvinyl chloride plastic coating layer 6, and a composite plastic film layer 7 is provided on the plastic coating layer 6; preferably, the composite plastic film layer 7 is solidified on the In addition to the PE plastic film on the plastic-coated layer, the composite plastic film layer can not only bear the water pressure with the pipe body layer and the plastic-coated layer to reduce the stress on the pipe, but also reduce the deformation of the pipe. Due to the elasticity of the composite plastic film layer It is better than the plastic-coated layer. When the pipe is subjected to water pressure, if the plastic-coated layer has small holes and small cracks, the composite plastic film layer can prevent the problem of water seepage, and the inner wall of the pipe is smooth after the composite plastic film, and the frictional resistance is small. The loss along the way during water delivery is small.
所述钢管本体外壁上设有镀锌镍合金涂层8，由电镀机电镀锌镍合金涂层，延长了使用寿命。 The outer wall of the steel pipe body is provided with a zinc-nickel alloy coating 8, and the zinc-nickel alloy coating is electroplated by an electroplating machine to prolong the service life.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446493.6U CN205618839U (en) | 2016-05-17 | 2016-05-17 | Water supply plastic -coated composite steel pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446493.6U CN205618839U (en) | 2016-05-17 | 2016-05-17 | Water supply plastic -coated composite steel pipe |
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| CN205618839U true CN205618839U (en) | 2016-10-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355600A (en) * | 2017-08-04 | 2017-11-17 | 镇江春环密封件集团有限公司 | A kind of steel lining multiple tube |
| CN107355601A (en) * | 2017-08-09 | 2017-11-17 | 镇江春环密封件集团有限公司 | A kind of polytetrafluoroethylene (PTFE) pipe fitting |
| CN107355602A (en) * | 2017-08-09 | 2017-11-17 | 镇江春环密封件集团有限公司 | A kind of steel lining polyfluortetraethylecomposite composite pipe structure |
| CN107529598A (en) * | 2017-08-09 | 2018-01-02 | 镇江春环密封件集团有限公司 | A kind of steel lining composite pipe structure |
-
2016
- 2016-05-17 CN CN201620446493.6U patent/CN205618839U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355600A (en) * | 2017-08-04 | 2017-11-17 | 镇江春环密封件集团有限公司 | A kind of steel lining multiple tube |
| CN107355601A (en) * | 2017-08-09 | 2017-11-17 | 镇江春环密封件集团有限公司 | A kind of polytetrafluoroethylene (PTFE) pipe fitting |
| CN107355602A (en) * | 2017-08-09 | 2017-11-17 | 镇江春环密封件集团有限公司 | A kind of steel lining polyfluortetraethylecomposite composite pipe structure |
| CN107529598A (en) * | 2017-08-09 | 2018-01-02 | 镇江春环密封件集团有限公司 | A kind of steel lining composite pipe structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xinyuan Denghuang Pipe Industry Co.,Ltd. Assignor: XINJIANG DENGHUANG PIPE INDUSTRIAL CO.,LTD. Contract record no.: X2024980023818 Denomination of utility model: A composite steel pipe coated with plastic for water supply Granted publication date: 20161005 License type: Common License Record date: 20241111 |
|
| EE01 | Entry into force of recordation of patent licensing contract |